text.skipToContent text.skipToNavigation

CBT Back-Lit Troffer

By Columbia Lighting 
By Columbia Lighting
The CBT is an affordable LED lensed troffer with smooth, even illumination. With its LED energy saving technology, CBT is perfect for offices, classrooms and many other applications. Switchable Lumen and Switchable CCT technology create built-in versatility; choose between multiple configuration options for the right output with one easy switch.
  • Switchable Lumen technology: 4400/3300/2750 lumens (1x4 and 2x2) 5500/4400/3300 lumens (2x4)
  • Switchable CCT technology: 3500/4000/5000K (2x4)
  • 80 CRI
  • 1–10V dimming to 10%
  • Recessed or surface mount
  • Universal voltage (120–277V)
  • IC rated
  • Smooth even illumination across the face of the luminaire
  • Acrylic micro-optics over each LED provide edge-to-edge illumination
  • DLC® (DesignLights Consortium) Qualified. Please refer to DLC website for specific product qualification at www.designlights.org

Product Details

General

Application
  • Offices
  • Education
  • Healthcare
  • Retail
Category General Back-Lit Troffer
Color White
Color Rendering Index (CRI) 80 CRI
Color Temperature
  • 3500 K
  • 4000 K
  • 5000 K
Construction Material - Main Steel Housing, Aluminum Frame
Dimming Protocol 1-10V
Dimming Range 10%
Environmental Conditions Damp Location
LED Yes
Light Distribution Direct
Light Source LED
Listings
  • UL 1598
  • Damp Listed
  • cULus
  • IC
Lumen Range
  • 2,500 - 4,999 lm
  • 5,000 - 7,499 lm
Material - Housing Steel
Max Ambient Temperature 25 °C
Min Ambient Temperature -20 °C
Mounting Type
  • recessed grid ceiling
  • surface mount
New Products Yes
Product Category Recessed Linear Troffers & Panels
SwitchableTechnology Switchable Lumen & CCT
Warranty Length 5 Year Warranty

Certifications and Compliance

Certified Listed Location Damp Location Listed
DLC Designation DLC® (DesignLights Consortium) Qualified - see www.designlights.org
Energy Efficient Yes
Industry Standard(s)
  • UL 1598 Damp Location
  • cULus Listed
  • IC rated

Photometry (27)

Product Name Color Temp CRI Lumens Lm/W Watts Dist. Type Resources
CBT14-LS35_2750lm
3500 °K 80 CRI 2989 lm 120 24.9 W Ambient
CBT14-LS35_3300lm
3500 °K 80 CRI 3502 lm 114 30.65 W Ambient
CBT14-LS35_4400lm
3500 K 80 CRI 4444 lm 107 42 W Ambient
CBT14-LS40_2750lm
4000 °K 80 CRI 2941 lm 122 24.13 W Ambient
CBT14-LS40_3300lm
4000 °K 80 CRI 3467 lm 117 29.62 W Ambient
CBT14-LS40_4400lm
4000 K 80 CRI 4404 lm 108 41 W Ambient
CBT22-LS35_2750lm
3500 °K 80 CRI 2991 lm 122 24.45 W Ambient
CBT22-LS35_3300lm
3500 °K 80 CRI 3583 lm 119 30.05 W Ambient
CBT22-LS35_4400lm
3500 K 80 CRI 4474 lm 111 40 W Ambient
CBT22-LS40_2750lm
4000 °K 80 CRI 3070 lm 126 24.4 W Ambient
CBT22-LS40_3300lm
4000 °K 80 CRI 3625 lm 121 29.93 W Ambient
CBT22-LS40_4400lm
4000 K 80 CRI 4550 lm 113 40 W Ambient
CBT24-LS35_3300lm
3500 °K 80 CRI 3856 lm 132 29.25 W Ambient
CBT24-LS35_4400lm
3500 K 80 CRI 4890 lm 125 39 W Ambient
CBT24-LS35_5500lm
3500 K 80 CRI 5842 lm 118 50 W Ambient
CBT24-LS40_3300lm
4000 °K 80 CRI 3877 lm 133 29.25 W Ambient
CBT24-LS40_4400lm
4000 K 80 CRI 4963 lm 127 39 W Ambient
CBT24-LS40_5500lm
4000 K 80 CRI 5964 lm 120 50 W Ambient
CBT24-LSCS_3500K_28W
3500 K 80 CRI 3626 lm 131 28 W Ambient
CBT24-LSCS_3500K_38W
3500 K 80 CRI 4998 lm 126 40 W Ambient
CBT24-LSCS_3500K_48W
3500 K 80 CRI 5994 lm 122 49 W Ambient
CBT24-LSCS_4000K_28W
4000 K 80 CRI 3775 lm 140 27 W Ambient
CBT24-LSCS_4000K_38W
4000 K 80 CRI 5246 lm 138 38 W Ambient
CBT24-LSCS_4000K_48W
4000 K 80 CRI 6274 lm 134 47 W Ambient
CBT24-LSCS_5000K_28W
5000 K 80 CRI 3757 lm 137 28 W Ambient
CBT24-LSCS_5000K_38W
5000 K 80 CRI 5168 lm 132 39 W Ambient
CBT24-LSCS_5000K_48W
5000 K 80 CRI 6138 lm 127 48 W Ambient

Stocked Items

Catalog Number UPC Product Description
Catalog Number CBT14-LS35 UPC 840141400013 Product Description CBT, 1x4, Color Temperature: 3500 K, Lumen Output Category: Switchable 4400/3300/2750, Wattage: 42 W;31 W;25 W, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT14-LSCS UPC 840141401867 Product Description CBT, 1x4, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 4400/3300/2750 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT14-LSCS-ELL10 UPC Product Description CBT, 1x4, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 4400/3300/2750 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT22-LS35 UPC 840141400037 Product Description CBT, 2x2, Color Temperature: 3500 K, Lumen Output Category: Switchable 4400/3300/2750, Light Output: 2970/3358/4385 lm, Wattage: 40 W;30 W;24 W, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT22-LS40 UPC 840141400044 Product Description CBT, 2x2, Color Temperature: 4000 K, Lumen Output Category: Switchable 4400/3300/2750, Light Output: 3000/3390/4459 lm, Wattage: 40 W;30 W;24 W, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT22-LSCS UPC 840141401874 Product Description CBT, 2x2, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 4400/3300/2750 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT22-LSCS-ELL10 UPC Product Description CBT, 2x2, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 4400/3300/2750 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT24-75CS UPC 840141403083 Product Description CBT, 2x4, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 4611/8018/7823 lm, Wattage: 65 W, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT24-LS35 UPC 840141400051 Product Description CBT, 2x4, Color Temperature: 3500 K, Lumen Output Category: Switchable 5500/4400/3300, Light Output: 3633/5014/6037 lm, Wattage: 50 W;39 W;29 W, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT24-LS40 UPC 840141400068 Product Description CBT, 2x4, Color Temperature: 4000 K, Lumen Output Category: Switchable 5500/4400/3300, Light Output: 3654/5064/6140 lm, Wattage: 50 W;39 W;29 W, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT24-LSCS UPC 840141401881 Product Description CBT, 2x4, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 5500/4400/3300 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT24-LSCS UPC 840141405438 Product Description CBT, 2x4, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 5500/4400/3300 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBT24-LSCS-ELL10 UPC Product Description CBT, 2x4, Color Temperature: 3500 K;4000 K;5000 K, Light Output: 5500/4400/3300 lm, Mounting Type: Recessed, Driver type: 1-10 V 10% dimming, Voltage Rating: 120-277 VAC. Check Inventory
Catalog Number CBTSMK22 UPC 840141400082 Product Description 2x2 CBT Surface Mount Kit Check Inventory
Catalog Number CBTSMK24 UPC 840141400099 Product Description 2x4 CBT Surface Mount Kit Check Inventory